Apparatus and method for production of green hydrogen using steam generated during production of green ammonia

Abstract

An apparatus and a method for production of green hydrogen using steam generated during the production of green ammonia controls: (i) a supply of steam from an ammonia reactor unit to a heat exchange unit at a first timestamp; (ii) the heat exchange unit to extract a pre-determined amount of heat from steam, and to transfer a pre-determined amount of heat to a water supply unit. The apparatus also controls the water supply unit to increase the water temperature from a first temperature value to a second temperature value using a transferred, pre-determined amount of heat. The apparatus also controls the water supply to an electrolyzer unit. The apparatus also controls the ammonia reactor unit to produce green ammonia and steam at a second timestamp using produced green hydrogen. The apparatus also controls an ammonia storage unit to store produced green ammonia at the first and second timestamps.

What is claimed: 
     
         1 . An apparatus comprising:
 at least one non-transitory memory configured to store computer-executable instructions; and   at least one processor configured to execute the computer-executable instructions to:   control a supply of steam from an ammonia reactor unit to a heat exchange unit at a first timestamp, wherein the ammonia reactor unit is configured to produce green ammonia and the steam;   control the heat exchange unit to extract a pre-determined amount of heat from the steam and transfer the extracted pre-determined amount of heat to a water supply unit;   control the water supply unit to increase a temperature of the water in the water supply unit from a first temperature value to a second temperature value using the transferred pre-determined amount of heat;   control a supply of the water from the water supply unit to an electrolyzer unit, wherein the electrolyzer unit is configured to split the water to produce green hydrogen and green oxygen;   control the ammonia reactor unit to produce the green ammonia and the steam at a second timestamp using the produced green hydrogen, wherein the produced steam is fed into the heat exchange unit at the second timestamp; and   control an ammonia storage unit to store the produced green ammonia.   
     
     
         2 . The apparatus of  claim 1 , wherein the processor is further configured to execute the computer-executable instructions to control the electrolyzer unit to split the water to produce the green hydrogen and the green oxygen by electrolyzing the water at an electrolyzing temperature. 
     
     
         3 . The apparatus of  claim 1 , further comprising an air separation unit, and wherein the processor is further configured to execute the computer-executable instructions to control the air separation unit to produce nitrogen from air, and wherein the air comprises at least one of: nitrogen, oxygen and argon. 
     
     
         4 . The apparatus of  claim 3 , further comprising a nitrogen storage unit, and wherein the processor is further configured to execute the computer-executable instructions to control the nitrogen storage unit to store the produced nitrogen. 
     
     
         5 . The apparatus of  claim 4 , wherein the processor is further configured to execute the computer-executable instructions to control the nitrogen storage unit to feed the stored nitrogen to the ammonia reactor unit to produce the green ammonia. 
     
     
         6 . The apparatus of  claim 1 , wherein the processor is further configured to execute the computer-executable instructions to control the ammonia reactor unit to produce the green ammonia using produced nitrogen from an air separation unit and the produced green hydrogen from the electrolyzer unit. 
     
     
         7 . The apparatus of  claim 1 , wherein the produced green ammonia corresponds to a primary product and the produced steam corresponds to a by-product, of the ammonia reactor unit. 
     
     
         8 . The apparatus of  claim 1 , wherein the water supply unit further comprises a demineralizer unit, and wherein the processor is further configured to execute the computer-executable instructions to control the demineralizer unit to perform demineralization of the water by removing one or more impurities from the water before the supply of water from the water supply unit to the electrolyzer unit. 
     
     
         9 . The apparatus of  claim 1 , wherein a temperature of the steam is decreased from a third temperature value to a fourth temperature value after the extraction of the pre-determined amount of heat to produce water, and wherein the produced water is supplied to the water supply unit. 
     
     
         10 . The apparatus of  claim 9 , wherein the processor is further configured to execute the computer-executable instructions to control the water supply unit to store the produced water. 
     
     
         11 . A method comprising:
 controlling a supply of steam from an ammonia reactor unit to a heat exchange unit at a first timestamp, wherein the ammonia reactor unit is configured to produce green ammonia and the steam;   controlling the heat exchange unit to extract a pre-determined amount of heat from the steam and transfer the extracted pre-determined amount of heat to a water supply unit, wherein the steam, after the extraction of the pre-determined amount of heat, is condensed into water and fed to the water supply unit;   controlling the water supply unit to increase a temperature of the water in the water supply unit from a first temperature value to a second temperature value using the transferred pre-determined amount of heat;   controlling a supply of the water from the water supply unit to an electrolyzer unit, wherein the electrolyzer unit is configured to split the water to produce green hydrogen and green oxygen;   controlling the ammonia reactor unit to produce the green ammonia and the steam at a second timestamp using the produced green hydrogen, wherein the produced steam at is fed into the heat exchange unit at the second timestamp; and   controlling an ammonia storage unit to store the produced green ammonia.   
     
     
         12 . The method of  claim 11 , further comprising controlling the electrolyzer unit to split the water to produce the green hydrogen and the green oxygen by electrolyzing the water at an electrolyzing temperature. 
     
     
         13 . The method of  claim 11 , further comprising controlling an air separation unit to produce nitrogen from air, and wherein the air comprises at least one of: nitrogen, oxygen and argon. 
     
     
         14 . The method of  claim 13 , further comprising controlling a nitrogen storage unit to store the produced nitrogen. 
     
     
         15 . The method of  claim 14 , further comprising controlling the nitrogen storage unit to feed the stored nitrogen to the ammonia reactor unit to produce the green ammonia. 
     
     
         16 . The method of  claim 11 , further comprising controlling the ammonia reactor unit to produce the green ammonia using produced nitrogen from an air separation unit and the produced green hydrogen from the electrolyzer unit. 
     
     
         17 . The method of  claim 11 , wherein the produced green ammonia corresponds to a primary product and the produced steam corresponds to a by-product, of the ammonia reactor unit. 
     
     
         18 . The method of  claim 11 , further comprising controlling a demineralizer unit to perform demineralization of the water by removing one or more impurities from the water before the supply of water from the water supply unit to the electrolyzer unit. 
     
     
         19 . The method of  claim 11 , wherein a temperature of the steam is decreased from a third temperature value to a fourth temperature value after the extraction of the pre-determined amount of heat to produce water, and wherein the produced water is supplied to the water supply unit. 
     
     
         20 . A non-transitory computer-readable medium having stored thereon, computer-executable instructions that when executed by a processor of an apparatus, causes the processor to execute operations, the operations comprising:
 controlling a supply of steam from an ammonia reactor unit to a heat exchange unit at a first timestamp, wherein the ammonia reactor unit is configured to produce green ammonia and the steam;   controlling the heat exchange unit to extract a pre-determined amount of heat from the steam and transfer the extracted pre-determined amount of heat to a water supply unit, wherein the steam, after the extraction of the pre-determined amount of heat, is condensed into water and fed to the water supply unit;   controlling the water supply unit to increase a temperature of the water in the water supply unit from a first temperature value to a second temperature value using the transferred pre-determined amount of heat;   controlling a supply of the water from the water supply unit to an electrolyzer unit, wherein the electrolyzer unit is configured to split the water to produce green hydrogen and green oxygen;   controlling the ammonia reactor unit to produce the green ammonia and the steam at a second timestamp using the produced green hydrogen, wherein the produced steam at is fed into the heat exchange unit at the second timestamp; and   controlling an ammonia storage unit to store the produced green ammonia.